摘要:
Transparent coatings with a thickness of at least 30 μm, a relative elastic resilience to DIN 55676 of at least 70%, and a scratch resistance corresponding to a score of not more than 2 in the steel wool scratch test to DIN 1041 after 10 double strokes; process for producing them, and their use.
摘要:
Autocatalyzed, thermally curable compositions free from external catalysts and comprising condensates of silanes which contain at least one of hydrolyzable atoms and hydrolyzable groups and processes for preparing them, and their use for producing thermally cured compositions.
摘要:
An aqueous dispersion with a pH of from 2 to 7, comprising (A) at least one swellable polymer or oligomer containing anionic and/or potentially anionic functional groups, (B) surface-modified, cationically stabilized, inorganic nanoparticles of at least one kind, and (C) at least one amphiphile; and its use for producing highly scratch-resistant coatings, moldings, and self-supporting films.
摘要:
The invention relates to the use of partly silanized compounds based on polyisocyanate as crosslinking agents with heightened refractive index in curable coating compositions, more particularly in clearcoat materials for automotive finishing. The invention likewise relates to a coating composition which comprises these compounds as crosslinking agents, and to the use of the coating composition to produce a coating.
摘要:
Autocatalyzed, thermally curable compositions free from external catalysts and comprising condensates of silanes which contain at least one of hydrolyzable atoms and hydrolyzable groups and processes for preparing them, and their use for producing thermally cured compositions.
摘要:
Hydrolysates and/or condensates of epoxy- and silane-functional oligomers and polymers, prepared by hydrolyzing and/or condensing at least one oligomer and/or polymer (A) containing at least one epoxide group (a1) and at least one hydrolyzable silane group (a2); and also (meth)acrylate copolymers (A) containing lateral and/or terminal epoxide groups (a1) and lateral and/or terminal hydrolyzable silane groups (a2), in a molar ratio (a1): (a2) of from 15:1 to 1: 1.5, processes for preparing them, and their use.
摘要:
An aqueous dispersion with a pH of from 2 to 7, comprising (A) at least one swellable polymer or oligomer containing anionic and/or potentially anionic functional groups, (B) surface-modified, cationically stabilized, inorganic nanoparticles of at least one kind, and (C) at least one amphiphile; and its use for producing highly scratch-resistant coatings, moldings, and self-supporting films.
摘要:
Transparent coatings with a thickness of at least 30 μm, a relative elastic resilience to DIN 55676 of at least 70%, and a scratch resistance corresponding to a score of not more than 2 in the steel wool scratch test to DIN 1041 after 10 double strokes; process for producing them, and their use.
摘要:
Liquid, thermally curable mixtures comprising, (A) low molecular weight polyols having at least three hydroxyl groups and a hydroxyl group content corresponding to a theoretical OH number of 800 to 1900 mg KOH/g, (B) compounds selected from the group consisting of cyclic and acyclic C9-C16 alkanes functionalized with hydroxyl groups or hydroxyl and at least one thiol group, and (C) low molecular weight or oligomeric compounds having reactive functional groups (c1) complementary to hydroxyl groups and thiol groups, processes for preparing them, and their use.
摘要:
Silanes of the formula: [(ZmRnSi—R1o—)pR2q—Y—C(X)—Y—]rG[—Y—(X)C—Y—R3]s (I), in which m+n=3; m=1, 2 or 3; n=0, 1 or 2; o=0 or 1, and q=1 if o=0; p=1, 2, 3 or 4; q=0 or 1, and p=1 if q=0; r, s=1, 2 or 3; and Z is a hydrolyzable atom or group; R is a nonhydrolyzable group without an epoxide group; R1 is a divalent group; R2 is a (p+1)-valent group; R3 is a nonhydrolyzable, epoxy-containing group; X is an oxygen atom and/or sulfur atom; G is an (r+s)-valent cyclic group; Y is an oxygen atom, sulfur atom or imino group >NR4 where R4=hydrogen atom, group R, group (ZmRnSi—R1o—)pR2q—, group R3—, group (ZmRnSi—R1o—)pR2q—NH—C(X)— or group R3—NH—C(X)—; processes for their preparation, and their use.